obsolete_epidermis true AAO:0000143 FBbt:00005401 2.38 http://purl.obolibrary.org/obo/UBERON_0001003 MAT:0000154 adult epidermis SAEL:35 ZFA:0000105 TADS:0000109 WBbt:0005733 James Malone EV:0100153 Use http://purl.obolibrary.org/obo/UBERON_0001003 label: epidermis MA:0000153 true FMA:70596 BTO:0000404 A cellular, multilayered epithelium derived from the ectoderm. Zebrafish epidermis consists only of living cells unlike terrestrial vertebrates in which dead, keratinized cells are present. hypodermis EMAPA:17528 The outer epithelial layer of the external integument of the animal body that is derived from the embryonic epiblast; specifically: the outer nonsensitive and nonvascular layer of the skin of a vertebrate that overlies the dermis.